# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
# copyright and related rights waived via CC0 1.0

REFERENCES: |
    <a href="https://refractiveindex.info/download/data/2017/hoya_2017-04-01.agf">HOYA Zemax catalog 2017-04-01</a> (obtained from <a href="http://www.hoya-opticalworld.com/english/datadownload/">http://www.hoya-opticalworld.com</a>)
COMMENTS: |
    Preforms for Precision molding
DATA:
  - type: formula 3
    wavelength_range: 0.36501 1.01398
    coefficients: 2.5831471 -0.0097502344 2 0.013615374 -2 0.00036346122 -4 -2.1187082e-05 -6 1.1536132e-06 -8
  - type: tabulated k
    data: |
        0.320 8.6107E-06
        0.330 5.4607E-06
        0.340 3.2575E-06
        0.350 1.8160E-06
        0.360 9.2918E-07
        0.370 4.6469E-07
        0.380 2.3902E-07
        0.390 1.2669E-07
        0.400 7.4066E-08
        0.420 4.0350E-08
        0.440 3.1655E-08
        0.460 2.2030E-08
        0.480 1.5310E-08
        0.500 7.9657E-09
        0.550 4.3790E-09
        0.600 9.5589E-09
        0.650 1.5541E-08
        0.700 2.2326E-08
        0.750 2.3921E-08
        0.780 3.1113E-08
        0.800 2.5516E-08
        0.830 1.9845E-08
        0.850 2.7111E-08
        0.900 2.1518E-08
        0.950 1.5135E-08
        1.000 1.5931E-08
        1.050 1.6728E-08
        1.060 1.6887E-08
        1.100 8.7579E-09
        1.200 9.5541E-09
        1.300 1.0350E-08
        1.400 2.2304E-08
        1.500 3.5864E-08
        1.550 3.7059E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -1.08e-05 2.42e-09 1.57e-11 7.21e-07 4.29e-10 1.46e-09
    nd: 1.61921
    Vd: 63.86
    glass_code: 619639
    glass_status: standard
    density:
      - value: 3570
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.7e-06
      - temperature_range: 293 573
        value: 1.3e-05
    dPgF: 0.0085
    resistance:
        climatic: 1.0
        acid: 4.0